Combine dry ingredients. In a separate large bowl, whisk together the flour, baking soda, and sea salt. Gradually mix these dry ingredients into the butter mixture on low speed until just combined.
Fold in the chocolate chips, toffee pieces, and caramel bits until they’re evenly distributed. Lastly, gently stir in the chopped pretzel sticks. Cover the dough and chill for at least 2 hours, or overnight for best results.
Bake to perfection. Bake the cookies for 13 to 15 minutes, or until they are golden brown with soft centers. If you like, sprinkle a pinch of flaky sea salt on top of each cookie right after baking.